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<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
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<body>
  <!-- 
    并集选择器 
    并列的写多个选择器，中间使用逗号来分割
  -->

  <style>
    ul>li,
    ol>li {
      color: aqua;
    }
  </style>

  <ul>
    <li class="name">帅哥</li>
    <li>美女</li>
    <li>猛男</li>
  </ul>

  <ol>
    <li>帅哥</li>
    <li>美女</li>
    <li>老人</li>
  </ol>
</body>

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